The seaman is telling the stories of his travels,______many people believe they are not true

问题描述:

The seaman is telling the stories of his travels,______many people believe they are not true
A /
B however
C so
D but
要理由

D but
根据上下文可知空格里需要一个表示转折意思的词,however与but虽都有此意,但however是副词,作状语时一般需用逗号与句子隔开,而but是连词,可直接连接句子而不需标点,因此答案为but.